KR102634142B1 - Cosmetic container with improved fastening structure of refill container - Google Patents

Abstract

It includes an outer container formed with a fastening rib, a middle container coupled to the inside of the outer container and formed with a fastening portion, and a refill container coupled to the inside of the middle container and formed with a fastening protrusion, wherein the fastening rib is spaced at a certain distance from the inner periphery of the outer container. It relates to a cosmetic container with an improved fastening structure for a refill container, which is formed to extend upward in a spaced-apart state, is exposed to the inside of the heavy container through a fastening portion, and is elastically bent and coupled to a fastening protrusion of the refill container.

Description

Cosmetic container with improved fastening structure of refill container}

The present invention relates to a cosmetic container with an improved fastening structure of the refill container, and more specifically, to facilitate separation and fastening of the refill container from the outer container, and to minimize wear or deformation of the fastening structure between the outer container and the refill container. This relates to a cosmetic container with an improved fastening structure of the refill container that allows this.

Cosmetics are products used to beautify the appearance of the human body to cover up facial defects, make it look attractive, or maintain the health of skin, hair, etc.

The cosmetics are classified into basic cosmetics, color cosmetics, and functional cosmetics depending on the purpose of use, and are manufactured in liquid or gel form, solid or powder form depending on their characteristics, and stored and used in various types of cosmetic containers.

Accordingly, it has become necessary to develop containers for various types of cosmetics depending on the purpose of use and their characteristics. Generally, liquid or gel cosmetics are filled in glass containers or tube containers and when used, the user can hold them in their hands or hold them in their hands. , It was used by squeezing it out and applying it to the skin.

However, these conventional cosmetic containers have problems in that users get their hands wet with cosmetics every time they use them, which causes the inconvenience of having to wash their hands every time and wastes cosmetics.

To solve the above problems, a compact container with a built-in puff was developed so that cosmetics do not have to be applied to the hands and are also easy to carry.

Republic of Korea Patent No. 10-1584512 discloses such a conventional compact container. The conventional compact container is coupled to an outer container and the inside of the outer container, and includes a refill container containing cosmetics inside, and a device for opening and closing the refill container. It is composed of a refill container lid and an outer container lid that opens and closes the outer container, and the outer container and the refill container are undercut and coupled so as to be detachable, so that when the cosmetic contained in the refill container is used up, the refill container is removed from the outer container. It is possible to separate and combine a new refill container with the outer container.

However, in the conventional compact container, the outer container and the refill container are simply combined with an undercut, so if the bonding strength between the outer container and the refill container is too weak, the refill container is easily separated from the outer container due to the user's carelessness or a small impact. Also, if the bonding strength between the outer container and the refill container was too strong, it was difficult to separate or combine the refill container from the outer container.

In order to solve the above problems, the present applicant has applied for Korean Patent Publication No. 10-2019-0010756. The prior art includes a container body having a guide groove formed on the inner peripheral surface; A container lid that opens and closes the container body; an inner unit coupled to the inside of the container body and having a coupling protrusion formed on the outer circumferential surface; It consists of an inner container lid that opens and closes the inner container, and the inner container is inserted into the inner side of the container body and then rotated to separate the container body and the inner container. In addition, a horizontal guide protrusion coupled to the engaging protrusion of the inner container is formed in the guide groove of the container body, thereby preventing the engaging protrusion from being separated from the guide groove.

However, in the prior art, when the inner container is repeatedly fastened to the container body, friction is generated between the coupling protrusion of the inner container and the guide groove or horizontal guide projection of the container body, and the coupling protrusion and horizontal guide projection are worn, which causes the inner container to be attached to the container body. There was a problem that it could not be fastened stably.

Republic of Korea Patent No. 10-1584512 (announced on January 25, 2016) Republic of Korea Patent Publication No. 10-2019-0010756 (published on January 31, 2019)

In order to solve the above problems, the present invention allows the fastening rib of the outer container to be exposed to the inner space through the fastening part of the middle container, bend elastically, and engage with the fastening protrusion of the refill container, thereby separating and fastening the refill container from the outer container. In addition to this ease of use, the purpose is to provide a cosmetic container with an improved fastening structure of the refill container that minimizes wear or deformation of the fastening structure between the outer container and the refill container during repeated fastening and maintains a constant fastening strength.

In addition, the present invention consists of a fastening part of the heavy container with a vertical insertion groove and a fastening hole connected to the side of the collection insertion groove, so that the fastening protrusion of the refill container can be easily adjusted by a simple operation of inserting the refill container into the middle container and then rotating it. The purpose is to provide a cosmetic container with an improved fastening structure of the refill container that allows the refill container to be used stably without being easily removed from the outer container as it is continuously inserted and fastened into the collection and insertion groove and fastening hole of the container.

In order to achieve the above object, the present invention includes an outer container formed with a fastening rib, a middle container coupled to the inside of the outer container and formed with a fastening portion, and a refill container coupled to the inside of the middle container and formed with a fastening protrusion, The fastening rib is formed to extend upward at a certain distance from the inner periphery of the outer container, is exposed to the inside of the middle container through the fastening part, and is elastically bent to engage the fastening protrusion of the refill container. Provides a cosmetic container with an improved structure.

Additionally, an outer container lid that opens and closes the outer container may be coupled to the outer container, and a refill container lid that opens and closes the refill container may be coupled to the refill container.

Additionally, a fastening rib protrusion is formed on the fastening rib of the outer container, so that it can be undercut coupled with the fastening protrusion of the refill container.

Additionally, the fastening rib protrusion of the fastening rib may be fitted into a rib coupling groove formed on one side of the heavy container.

In addition, the fastening part of the heavy container may be composed of a vertical insertion groove with one end open and extending in the insertion direction of the refill container, and a fastening hole connected to the side of the vertical insertion groove and extending in the rotation direction of the refill container.

In addition, when the refill container is pressed to the inside of the middle container, the fastening protrusion of the refill container is inserted into the vertical insertion groove of the middle container, and when the refill container is rotated, the fastening protrusion of the refill container is inserted into the fastening hole of the middle container, thereby inserting the outer container into the fastening hole of the middle container. It can be combined with a fastening rib.

In addition, by forming a first inclined portion and a second inclined portion in the fastening hole of the heavy container, the fastening protrusion of the refill container can pass over the first inclined portion and be located on the second inclined portion.

In addition, a fastening rib groove connected to the fastening rib protrusion is formed on the fastening rib of the outer container, so that the fastening protrusion of the refill container can pass over the fastening rib protrusion and be inserted into the fastening rib groove.

In addition, an auxiliary fastening protrusion connected to the fastening rib groove is further formed on the fastening rib of the outer container to prevent the fastening protrusion inserted into the fastening rib groove from moving.

According to an embodiment of the present invention, the fastening rib of the outer container is exposed to the inner space through the fastening part of the middle container and is elastically bent to engage the fastening protrusion of the refill container, thereby making it easy to separate and fasten the refill container from the outer container. , This has the effect of maintaining a constant fastening strength by minimizing wear or deformation of the fastening structure between the outer container and the refill container during repeated fastening.

In addition, according to an embodiment of the present invention, the fastening part of the heavy container consists of a vertical insertion groove with one end open and a fastening hole connected to the side of the collection insertion groove, so that it is simple to insert the refill container into the middle container and then rotate it. As the fastening protrusion of the refill container is continuously inserted and fastened into the collection insertion groove and fastening hole of the middle container by just moving, the refill container can be used stably without being easily removed from the outer container.

1 is a perspective view of a cosmetic container according to an embodiment of the present invention.
Figure 2 is an exploded perspective view of a cosmetic container according to an embodiment of the present invention.
Figure 3 is a cross-sectional view of a cosmetic container according to an embodiment of the present invention.
Figure 4 is a perspective view illustrating the coupling of the middle container to the outer container according to an embodiment of the present invention.
Figure 5 is a perspective view illustrating a middle container coupled to an outer container according to an embodiment of the present invention.
Figure 6 is a perspective view illustrating inserting a refill container into a middle container according to an embodiment of the present invention.
Figure 7 is a perspective view illustrating rotating a refill container according to an embodiment of the present invention.
Figure 8 is a perspective view illustrating a fastening rib groove formed in the fastening rib of a cosmetic container according to another embodiment of the present invention.
Figure 9 is a perspective view illustrating a fastening auxiliary protrusion formed on the fastening rib of a cosmetic container according to another embodiment of the present invention.
Figure 10 is a perspective view illustrating the first and second inclined portions formed in the fastening hole of a cosmetic container according to another embodiment of the present invention.

The following detailed description of the present invention is an embodiment in which the present invention can be practiced and refers to the accompanying drawings, which are shown as examples of the corresponding embodiments. These embodiments are described in sufficient detail to enable any person skilled in the art to practice the invention. It should be understood that the various embodiments of the invention are different from one another but are not necessarily mutually exclusive. For example, specific shapes, structures and characteristics described herein may be implemented in one embodiment without departing from the spirit and scope of the invention. Additionally, it should be understood that the location or arrangement of individual components within each described embodiment may be changed without departing from the spirit and scope of the invention.

Accordingly, the detailed description set forth below is not intended to be taken in a limiting sense, and the scope of the invention is limited only by the appended claims together with all equivalents to what those claims would assert if properly described. Similar reference numbers in the drawings refer to identical or similar functions across various aspects.

The terms used in the present invention are general terms that are currently widely used as much as possible while considering the function in the present invention, but this may vary depending on the intention or precedent of a person working in the art, the emergence of new technology, etc. In addition, in certain cases, there are terms arbitrarily selected by the applicant, and in this case, the meaning will be described in detail in the description of the relevant invention. Therefore, the terms used in the present invention should be defined based on the meaning of the term and the overall content of the present invention, rather than simply the name of the term.

In the present invention, when a part “includes” a certain component, this means that, unless specifically stated to the contrary, it does not exclude other components but may further include other components.

Hereinafter, with reference to FIGS. 1 to 10, a cosmetic container with an improved fastening structure of a refill container according to an embodiment of the present invention will be described in detail.

Figure 1 is a perspective view of a cosmetic container according to an embodiment of the present invention, Figure 2 is an exploded perspective view of a cosmetic container according to an embodiment of the present invention, and Figure 3 is a cross-sectional view of a cosmetic container according to an embodiment of the present invention. am.

As shown, the present invention may be configured to include an outer container 10, a middle container 20, and a refill container 30.

One side of the outer container 10 is open, and the middle container 20 and the refill container 30 are combined in the inner space.

As shown in Figure 2, a push button through hole 12 may be formed on the front of the outer container 10. A push button 40 is coupled to the push button through hole 12. The push button 40 is exposed to the outside through the push button through hole 12, and a locking protrusion 42 is formed on one side.

A fastening rib 14 is formed on the inside of the outer container 10 to be fastened to the refill container 30. The fastening rib 14 is spaced from the bottom at a certain distance from the inner periphery of the outer container 10. It is formed to extend upward.

In other words, by standing the fastening rib 14 on the bottom of the outer container 10 and forming a predetermined space between the fastening rib 14 and the outer container 10, the outer container 10 and the refill container When (30) is coupled, the fastening rib (14) is elastically bent toward the inner periphery of the outer container (10) by the space, and then restored to its original position and fastened to the refill container (30). Accordingly, it is easy to separate and fasten the refill container 30 from the outer container 10, as well as minimize wear or deformation of the fastening structure between the outer container 10 and the refill container 30 during repeated fastening, thereby ensuring constant fastening. You can maintain your intensity.

Additionally, a fastening rib protrusion 14a is formed on the fastening rib 14 of the outer container 10 and can be undercut coupled to the fastening protrusion 34 of the refill container. The fastening rib protrusion 14a is formed to protrude on the opposite side of the side facing the inner periphery of the outer container 10 among both sides of the fastening rib 14, and is positioned in the longitudinal direction of the fastening rib 14, that is, the refill container 30. ) is preferably formed long along the insertion direction.

Meanwhile, an outer container lid 50 that opens and closes the outer container 10 may be further coupled to the outer container 10. The outer container lid 50 serves to protect the cosmetics contained inside or the refill container 30 from being exposed to the outside or cosmetic tools such as a puff from being lost when the cosmetic container is stored.

The outer container lid 50 may be axially coupled to the opposite side of the push button through hole 12 of the outer container 10. In the drawing of the cosmetic container according to an embodiment of the present invention, the outer container 10 and the outer container lid 50 are shown to be hinged, but this is not limited to this and the outer container 10 can be easily opened and closed. There can be various combination methods within the range.

In addition, a fixing hook 52 is formed to protrude from the outer container lid 50 and can be fastened to the locking protrusion 42 of the push button 40, and the inner surface of the outer container lid 50 allows the user to use the cosmetic area. A mirror 54 may be additionally formed so that makeup can be easily applied while reflecting the face.

The middle container 20 is formed in a ring shape with the top and bottom open and is fixedly coupled to the inside of the outer container 10.

As shown in FIG. 3, the middle container 20 consists of a body portion 21 and a cover portion 23 extending outward from the top of the body portion 21 to cover the inner portion of the rim of the outer container 10. , forming a space inside where the refill container 30 can be inserted.

And, as shown in the partially enlarged view of FIG. 2, a fastening portion 24 is formed on the inner periphery of the heavy container 20. The fastening portion 24 includes a vertical insertion groove 24a with one end open, It may be composed of a fastening hole (24b) connected to the side of the vertical insertion groove (24a), and the vertical insertion groove (24a) and the fastening hole (24b) are preferably connected to each other in an "ㄴ" shape.

The vertical insertion groove 24a of the fastening portion 24 is formed to extend vertically in the insertion direction of the refill container 30, so that the fastening protrusion 34 of the refill container 30 is vertically inserted into the middle container 20. It will guide you through what happens. Here, one side of the vertical insertion groove 24a is open to the top of the heavy container 20, the other side is closed, and is connected to the fastening hole 24b on one side.

In addition, the fastening hole 24b of the fastening part 24 is formed to extend horizontally in the rotational direction of the refill container 30, so that the fastening protrusion 34 of the refill container 30 is formed on the side of the vertical insertion groove 24a. It guides horizontal movement from . Here, the fastening hole 24b is formed while penetrating the side wall of the heavy container 20 to expose at least a portion of the fastening rib protrusions 14a of the fastening rib 14 described above to the inside of the heavy container 20.

Through this fastening structure of the outer container 10, the middle container 20, and the refill container 30, the refill container (30) can be inserted into the middle container 20 by a simple operation of inserting and then rotating the refill container ( The fastening protrusion 34 of 30 is continuously inserted into the collection insertion groove 24a and the fastening hole 24b of the middle container 20 and is fastened with the fastening rib 14 of the outer container 10, thereby refilling. The container 30 does not easily fall out of the outer container 10 and can be used stably.

In addition, a rib coupling groove (21a) is formed vertically and long on the outer periphery of the body portion (21) of the middle container (20) adjacent to the fastening hole (24b) to connect the fastening rib protrusion (14a) of the outer container (10). ) can be inserted. Accordingly, the fastening rib protrusion 14a is inserted into the fastening hole 24b while being inserted into the rib coupling groove 21a.

The refill container 30 contains contents therein and is inserted into the inner space of the middle container 20.

As shown in Figure 3, the refill container 30 may be composed of a content storage container 31 in which the contents are stored and a refill container body 33 that is coupled while surrounding the content storage container 31. Of course, the content storage container 31 and the refill container body 33 of the refill container 30 may be separately injection molded and fixedly coupled to each other, or may be injection molded integrally.

The content storage container 31 accommodates cosmetics or is equipped with an impregnation member impregnated with cosmetics. The impregnation members include BR (Butadiene Rubber), SBR (Styrene Butadiene Rubber), NR (Nateral Rubber), and NRSBR (Nateral Rubber). Composed of Styrene Butadiene Rubber), NBR (acrylonitrile-butadiene rubber), wet urethane, dry urethane, polyether, polyester, polyvinyl chloride, polyethylene, latex, silicone, PVA (PolyVinyl Alcohol), nitrile rubber, butyl rubber, and neoprene. It may be made of one or more materials selected from the group.

And a fastening protrusion 34 is formed on the outer periphery of the refill container 30 to protrude outward. When the refill container 30 is coupled to the middle container 20, the fastening protrusion 34 is continuously inserted into the vertical insertion groove 24a and the fastening hole 24b of the middle container 20, thereby forming an outer container ( It is fastened with the fastening rib 14 of 10 to prevent the refill container 30 from being separated from the outer container 10.

More specifically, by aligning the fastening protrusion 34 of the refill container 30 with the vertical insertion groove 24a of the middle container 20 and pressing the refill container 30 to the inside of the middle container 20, the refill container ( The fastening protrusion 34 of 30 moves downward and is inserted into the vertical insertion groove 24a of the middle container 20, and when the refill container 30 is continuously rotated in one direction, the refill container 30 As the fastening protrusion 34 moves horizontally, it is inserted from the vertical insertion groove 24a of the middle container 20 into the fastening hole 24b, and then passes over the fastening rib projection 14a of the outer container 10 to be coupled. will be. At this time, the fastening rib 14 of the outer container 10 is pushed outward by the fastening protrusion 34 of the refill container 30 and is constantly bent toward the inner periphery of the outer container 10, and the fastening protrusion ( The moment 34) passes the fastening rib projection 14a, the fastening rib 14 is elastically restored.

Meanwhile, a refill container lid 60 that opens and closes the refill container 30 is axially coupled to the refill container 30, and one side of the refill container lid 60 is provided so that the refill container lid 60 can be easily held. A handle 62 may be formed, and a makeup storage groove 64 in which makeup tools (not shown) are stored may be formed at the top. In the drawing of the cosmetic container according to an embodiment of the present invention, the refill container 30 and the refill container lid 60 are shown as being hinged, but this is not limited to this and the outer container 10 can be easily opened and closed. There can be various combination methods within the range.

8 to 10 are diagrams illustrating cosmetic containers according to another embodiment of the present invention, and with reference to them, another embodiment of the present invention will be described.

Figure 8 is a perspective view illustrating a fastening rib groove formed in the fastening rib of a cosmetic container according to another embodiment of the present invention, and Figure 9 is a fastening auxiliary protrusion on the fastening rib of a cosmetic container according to another embodiment of the present invention. It is a perspective view illustrating the formed appearance, and Figure 10 is a perspective view illustrating the first and second inclined portions formed in the fastening hole of a cosmetic container according to another embodiment of the present invention.

As shown in FIG. 8, a fastening rib groove 14b connected to the fastening rib protrusion 14a may be formed on the fastening rib 14 of the outer container 10.

More specifically, the fastening rib groove (14b) is formed behind the fastening rib protrusion (14a), that is, on the opposite side of the vertical insertion groove (24a) centered on the fastening rib protrusion (14a), and is used to refill the heavy container (20). When combining the container 30, the fastening protrusion 34 of the refill container 30 may pass over the fastening rib protrusion 14a and be inserted into the fastening rib groove 14b. Accordingly, the fastening protrusion 34 is more stably and firmly fixed to the fastening rib 14 and does not shake arbitrarily.

In addition, as shown in FIG. 9, a fastening auxiliary protrusion 14c connected to the fastening rib groove 14b may be further formed on the fastening rib 14 of the outer container 10.

In other words, fastening rib protrusions (14a) and fastening auxiliary protrusions (14c) are formed on both sides around the fastening rib groove (14a) so that the fastening protrusions (34) of the refill container (30) enter between the pair of protrusions and engage. By doing so, it is possible to prevent the fastening protrusion 34 inserted into the fastening rib groove 14a from moving arbitrarily. Of course, the surfaces of the fastening rib protrusions 14a, fastening rib grooves 14b, and fastening auxiliary protrusions 14c, and the surface of the fastening protrusions 34 that come into contact with them, are curved as shown for smooth fastening. It would be appropriate to form

Additionally, as shown in FIG. 10, a first inclined portion 24b-1 and a second inclined portion 24b-2 may be formed in the fastening hole 24b of the heavy container 20.

That is, a portion of the fastening hole 24b is bent upward by the first inclined portion 24b-1, and the remaining section is bent downward by the second inclined portion 24b-2, thereby forming a heavy container. When (20) and the refill container (30) are combined, the fastening protrusion (34) of the refill container (30) is slightly lifted and goes over the first inclined portion (24-1) to the second inclined portion (24b-2). It is positioned so that the fastening of the refill container 30 and the middle container 20 can be supplemented.

4 to 7 are diagrams illustrating the assembly of a cosmetic container according to an embodiment of the present invention, and with reference to them, the method of assembling and refilling a cosmetic container according to an embodiment of the present invention will be described.

Figure 4 is a perspective view illustrating a middle container coupled to an outer container according to an embodiment of the present invention, and Figure 5 is a perspective view illustrating a middle container coupled to an outer container according to an embodiment of the present invention. Figure 6 is a perspective view illustrating inserting a refill container into a heavy container according to an embodiment of the present invention, and Figure 7 is a perspective view illustrating rotating the refill container according to an embodiment of the present invention.

In order to assemble a cosmetic container according to an embodiment of the present invention, as shown in FIG. 4, the middle container 20 is inserted into the open upper side of the outer container 10 to which the outer container lid 50 is axially coupled to one side. Combine. At this time, as shown in FIG. 5, at least a portion of the fastening rib 14 of the outer container 10 and the fastening rib protrusion 14a formed on the fastening rib 14 is connected to the fastening hole 24b of the middle container 20. ) is exposed to the inner space of the heavy container 20.

Next, the refill container 30 is inserted into the inner space of the heavy container 20 and combined. That is, align the fastening protrusion 34 of the refill container 30 with the vertical insertion groove 24a of the middle container 20 and insert the refill container 30 into the middle container 20 as shown in FIG. 6. When pushed, the fastening protrusion 34 of the refill container 30 moves downward and is inserted into the vertical insertion groove 24a of the middle container 20, and then, as shown in FIG. 7, the refill container 30 is inserted into one side. When rotated in this direction, the fastening protrusion 34 of the refill container 30 moves horizontally and is inserted from the vertical insertion groove 24a of the middle container 20 into the fastening hole 24b, thereby attaching the fastening rib projection of the outer container 10. It goes over (14a) and is combined.

At this time, the fastening rib 14 of the outer container 10 is pushed outward by the fastening protrusion 34 of the refill container 30 and is bent toward the inner periphery of the outer container 10, and the fastening protrusion 34 ) passes through the fastening rib protrusion 14a, the fastening rib 14 elastically returns to its original position due to its own restoring force.

Meanwhile, while using the cosmetic container assembled as described above, if the contents contained in the refill container 30 are completely exhausted and the refill container 30 is to be replaced, the assembly process of the refill container 30 described above is reversed. The refill container 30 is separated from the outer container 10 and the middle container 20, and the new refill container 30 is assembled according to the above-described assembly process of the refill container 30 to replace the outer container 10 and the middle container. It is joined to the inner side of (20).

That is, the refill container 30 is rotated counterclockwise to unfasten the refill container 30 and the outer container 10, the refill container 30 is pulled upward and separated, and a new refill container is installed. Insert (30) into the inner container (20), rotate the new refill container (30) clockwise, and fasten the new refill container (30) and the outer container (10) to form the refill container (30). Replace .

As described above, in this description, specific details such as specific components and limited embodiments and drawings have been described, but this is only provided to facilitate a more general understanding of the present invention, and the present invention is not limited to the above embodiments. No, those of ordinary skill in the field to which the present invention pertains can make various modifications and variations from this description.

Therefore, the idea of the present invention should not be limited to the described embodiments, and the claims described below as well as all modifications that are equivalent or equivalent to the claims will be said to fall within the scope of the idea of the present invention.

10: outer container 14: fastening rib
14a: Fastening rib projection 14b: Fastening rib groove
14c: Fastening auxiliary protrusion 20: Middle container
24: Fastening part 24a: Vertical insertion groove
24b: Fastening hole 24b-1: First inclined portion
24b-2: second inclined portion 30: refill container
34: fastening protrusion 40: button
50: outer container lid 60: refill container lid

Claims (9)

An outer container with fastening ribs formed;
A middle container that is coupled to the inside of the outer container and has a fastening portion, and
Includes a refill container that is coupled to the inside of the middle container and has a fastening protrusion formed,
The fastening rib is formed to extend upward at a certain distance from the inner periphery of the outer container, is exposed to the inside of the middle container through the fastening part, and is elastically bent to engage the fastening protrusion of the refill container. Cosmetics container with improved structure. According to claim 1,
A cosmetic container with an improved fastening structure of the refill container, characterized in that an outer container lid for opening and closing the outer container is coupled to the outer container, and a refill container lid for opening and closing the refill container is coupled to the refill container. According to claim 1,
A cosmetic container with an improved fastening structure of the refill container, characterized in that a fastening rib protrusion is formed on the fastening rib of the outer container and is undercut coupled to the fastening protrusion of the refill container. According to claim 1,
A cosmetic container with an improved fastening structure of a refill container, characterized in that the fastening rib protrusion of the fastening rib is inserted into a rib coupling groove formed on one side of the middle container. According to claim 1,
A refill container characterized in that the fastening part of the heavy container consists of a vertical insertion groove that is open at one end and extends in the insertion direction of the refill container, and a fastening hole that is connected to the side of the vertical insertion groove and extends in the rotation direction of the refill container. A cosmetic container with an improved fastening structure. According to claim 5,
When the refill container is pressed inside the middle container, the fastening protrusion of the refill container is inserted into the vertical insertion groove of the middle container, and when the refill container is rotated, the fastening protrusion of the refill container is inserted into the fastening hole of the middle container and the fastening rib of the outer container is inserted. A cosmetic container with an improved fastening structure of the refill container, characterized in that it is combined with. According to claim 5,
Cosmetics with an improved fastening structure of the refill container, characterized in that a first inclined portion and a second inclined portion are formed in the fastening hole of the middle container, so that the fastening protrusion of the refill container passes over the first inclined portion and is located on the second inclined portion. courage. According to claim 3,
A cosmetic container with an improved fastening structure of the refill container, characterized in that a fastening rib groove connected to the fastening rib protrusion is formed on the fastening rib of the outer container, so that the fastening protrusion of the refill container passes over the fastening rib protrusion and is inserted into the fastening rib groove. According to claim 8,
A cosmetic container with an improved fastening structure of the refill container, characterized in that the fastening auxiliary protrusion connected to the fastening rib groove is further formed on the fastening rib of the outer container to prevent the fastening protrusion inserted into the fastening rib groove from moving. .

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